Workbook Detail
Addition Special Types 3 Addends — Set 51
3 + 5 + 7 = ___
Show answer
Answer: 15
- Operands
- 3
- 5
- 7
- Operator
- +
- Expression
- 3 + 5 + 7
6 + 1 + 5 = ___
Show answer
Answer: 12
- Operands
- 6
- 1
- 5
- Operator
- +
- Expression
- 6 + 1 + 5
5 + 10 + 9 = ___
Show answer
Answer: 24
- Operands
- 5
- 10
- 9
- Operator
- +
- Expression
- 5 + 10 + 9
2 + 5 + 2 = ___
Show answer
Answer: 9
- Operands
- 2
- 5
- 2
- Operator
- +
- Expression
- 2 + 5 + 2
10 + 7 + 3 = ___
Show answer
Answer: 20
- Operands
- 10
- 7
- 3
- Operator
- +
- Expression
- 10 + 7 + 3
1 + 4 + 4 = ___
Show answer
Answer: 9
- Operands
- 1
- 4
- 4
- Operator
- +
- Expression
- 1 + 4 + 4
1 + 3 + 5 = ___
Show answer
Answer: 9
- Operands
- 1
- 3
- 5
- Operator
- +
- Expression
- 1 + 3 + 5
10 + 10 + 9 = ___
Show answer
Answer: 29
- Operands
- 10
- 10
- 9
- Operator
- +
- Expression
- 10 + 10 + 9
9 + 10 + 5 = ___
Show answer
Answer: 24
- Operands
- 9
- 10
- 5
- Operator
- +
- Expression
- 9 + 10 + 5
3 + 6 + 6 = ___
Show answer
Answer: 15
- Operands
- 3
- 6
- 6
- Operator
- +
- Expression
- 3 + 6 + 6
3 + 10 + 7 = ___
Show answer
Answer: 20
- Operands
- 3
- 10
- 7
- Operator
- +
- Expression
- 3 + 10 + 7
4 + 3 + 4 = ___
Show answer
Answer: 11
- Operands
- 4
- 3
- 4
- Operator
- +
- Expression
- 4 + 3 + 4
4 + 2 + 3 = ___
Show answer
Answer: 9
- Operands
- 4
- 2
- 3
- Operator
- +
- Expression
- 4 + 2 + 3
6 + 1 + 5 = ___
Show answer
Answer: 12
- Operands
- 6
- 1
- 5
- Operator
- +
- Expression
- 6 + 1 + 5
2 + 4 + 4 = ___
Show answer
Answer: 10
- Operands
- 2
- 4
- 4
- Operator
- +
- Expression
- 2 + 4 + 4
6 + 1 + 5 = ___
Show answer
Answer: 12
- Operands
- 6
- 1
- 5
- Operator
- +
- Expression
- 6 + 1 + 5
6 + 1 + 4 = ___
Show answer
Answer: 11
- Operands
- 6
- 1
- 4
- Operator
- +
- Expression
- 6 + 1 + 4
5 + 10 + 5 = ___
Show answer
Answer: 20
- Operands
- 5
- 10
- 5
- Operator
- +
- Expression
- 5 + 10 + 5
10 + 1 + 10 = ___
Show answer
Answer: 21
- Operands
- 10
- 1
- 10
- Operator
- +
- Expression
- 10 + 1 + 10
10 + 6 + 10 = ___
Show answer
Answer: 26
- Operands
- 10
- 6
- 10
- Operator
- +
- Expression
- 10 + 6 + 10
Teaching Notes
Download this free addition three numbers math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a three numbers set.
- Print or use on-screen.
- Check answers and practice again.
Tips
- Start with easier sets and move up gradually.
- Practice in short sessions (10–15 minutes).
- Review mistakes and redo similar problems.
Frequently Asked Questions
How do I use this Addition Three Numbers Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.